With the analysis among 2,102 patents, we discovered top 444 key players by total patent application. Sekisui Chemical Co., Ltd., C.I. Takiron Corp., China Three Gorges Corp. are dominant in this area. They take 6.42% of the total patent filing.
Osaka-fu, Japan
Patent: 69
Osaka-fu, Japan
Patent: 33
Hubei Sheng, China
Patent: 33
Tokyo-to, Japan
Patent: 31
Beijing Shi, China
Patent: 29
Henan Sheng, China
Patent: 22
Zhejiang Sheng, China
Patent: 20
Tokyo-to, Japan
Patent: 18
Tokyo-to, Japan
Patent: 17
Guizhou Sheng, China
Patent: 16
With the analysis among 3 patents, we discovered top 3 start-ups by total patent application.
Beijing Shi, China
Patent: 1
With the analysis among related 2,392 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China Institute of Water Resources and Hydropower Research, Hohai University, Wuhan University take 16.01% of patent filing during this period.
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Patent: 178
Jiangsu Sheng, China
Patent: 144
Hubei Sheng, China
Patent: 61
Hubei Sheng, China
Patent: 38
Beijing Shi, China
Patent: 36
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Patent: 34
Shaanxi Sheng, China
Patent: 30
Hubei Sheng, China
Patent: 29
With the analysis among related 2,392 patents in last 5 years, we discover 371 new entrants. Yangtse River Water Conservancy Committee Shuiwen Bureau, Guangxi University, Sichuan Jietu Environmental Protection Service Co., Ltd. are the most active new entrants in this area.
Guangxi Zhuangzu Zizhiqu, China
Patent: 11
Sichuan Sheng, China
Patent: 10
Hubei Sheng, China
Patent: 10
Heilongjiang Sheng, China
Patent: 9
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 8
Shanghai Shi, China
Patent: 6
Yunnan Sheng, China
Patent: 6
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Patent: 6
With the analysis among 2,123 patents, we discovered top 210 universities and scientific research institutions by total patent application. Hohai University, Wuhan University, Beijing Normal University are dominant in this area. They take 25.01% of the total patent filing.
Jiangsu Sheng, China
Patent: 189
Hubei Sheng, China
Patent: 92
Beijing Shi, China
Patent: 59
Hubei Sheng, China
Patent: 42
Shaanxi Sheng, China
Patent: 34
Beijing Shi, China
Patent: 30
Sichuan Sheng, China
Patent: 29
Zhejiang Sheng, China
Patent: 28
Hubei Sheng, China
Patent: 27
Jiangsu Sheng, China
Patent: 23